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PTIX Protagenic Therapeutics, Inc.

NASDAQ

$0.80

Protagenic Therapeutics, Inc. (PTIX) Institutional Ownership

What the institutions did with PTIX last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.

Managers reporting

4

filed a 13F this quarter

Managers holding

2

-2 on the quarter

Buyers

0

0 opened new

Sellers

2

2 sold out entirely

Buyer share

0.0%

of managers who traded it

Breadth

-100.0

net buyers, as a share of those trading

Only 4 managers reported a position this quarter, so the percentages above describe a very small sample.

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Largest holders

Manager	Shares	% of reported
DRW Securities, LLC	41.8K	62.6%
FNY Investment Advisers, LLC	25.0K	37.4%

Largest changes

Manager	Action	Previous	Current	Change
CoreCap Advisors, LLC	Sold Out	100	0	-100
United Financial Planning Group LLC	Sold Out	17	0	-17

13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.